Missing about.html. Please see:
https://bugs.eclipse.org/bugs/show_bug.cgi?id=348947
diff --git a/dependencies/plugins/org.eclipse.emf.java/build.properties b/dependencies/plugins/org.eclipse.emf.java/build.properties
index 07573e3..23c1af8 100644
--- a/dependencies/plugins/org.eclipse.emf.java/build.properties
+++ b/dependencies/plugins/org.eclipse.emf.java/build.properties
@@ -2,7 +2,8 @@
                plugin.properties,\
                plugin.xml,\
                META-INF/,\
-               model/
+               model/,\
+               about.html
 output.. = bin/
 source.. = src/
 src.includes = about.html